oj.uz

Submission #533919

# Submission time Handle Problem Language Result Execution time Memory
533919 2022-03-07T15:45:07 Z radal Snake Escaping (JOI18_snake_escaping) C++14
22 / 100
 1193 ms 35784 KB 
#include <bits/stdc++.h>
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#pragma GCC optimize("unroll-loops")
#define rep(i,l,r) for (int i = l; i < r; i++)
#define repr(i,r,l) for (int i = r; i >= l; i--)
#define X first
#define Y second
#define pb push_back
#define endl '\n'
#define debug(x) cerr << #x << " : " << x << endl;
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pll;
constexpr ll N = 1e6+20,mod = 1e9+7,inf = 1e9+10,maxm = 1e6;
inline int mkay(int a,int b){
    if (a+b >= mod) return a+b-mod;
    if (a+b < 0) return a+b+mod;
    return a+b;
}

inline int poww(int a,int k){
    if (k < 0) return 0;
    int z = 1;
    while (k){
        if (k&1) z = 1ll*z*a%mod;
        a = 1ll*a*a%mod;
        k >>= 1;
    }
    return z;
}
int sos[N][2][2];
int main(){
    ios :: sync_with_stdio(0); cin.tie(0);
    int l,q;
    cin >> l >> q;
    string s;
    cin >> s;
    int n = s.size();
    rep(i,0,n)
        sos[i][(l&1)][1] = sos[i][(l&1)][0] = (s[i]-'0');
    repr(j,l-1,0){
        bool d = (j&1);
        rep(i,0,n){
            sos[i][d][0] = sos[i][1-d][0];
            sos[i][d][1] = sos[i][1-d][1];
            if (i&(1 << j))
                sos[i][d][1] += sos[i-(1 << j)][1-d][1];
            else
                sos[i][d][0] += sos[i+(1 << j)][1-d][0];
        }
    }
    while (q--){
        string t;
        cin >> t;
        reverse(t.begin(),t.end());
        int t0 = 0,t2 = 0,t1 = 0,mask = 0;
        vector<int> ve;
        rep(i,0,l){
            if (t[i] == '1'){
                t1++;
                mask += (1 << i);
            }
            else if (t[i] == '0') t0++;
            else
                t2++;
        }
        if (t2 < 7){
            rep(i,0,l) if (t[i] == '?') ve.pb(i);
            if (!t2){
                cout << s[mask] << endl;
                continue;
            }
            int y = (1 << t2);
            int ans = 0;
            rep(j,0,y){
                int sum = mask;
                rep(k,0,t2)
                    if (j&(1 << k)) 
                        sum += (1 << ve[k]);
                ans += (s[sum]-'0');
            }
            cout << ans << endl;
            continue;
        }
        if (t1 <= t0){
            rep(i,0,l){
                if (t[i] == '1') ve.pb(i);
                if (t[i] == '?') mask += (1 << i);
            }
            int y = (1 << t1),ans = 0;
            rep(i,0,y){
                int cnt = (__builtin_popcount(i)&1),sum = mask;
                rep(j,0,t1){
                    if ((1 << j)&i) sum -= (1 << ve[j]);
                }
                if (cnt) ans -= sos[sum][0][1];
                else ans += sos[sum][0][1];
            }
            cout << ans << endl;
            continue;
        }
        rep(i,0,l)
            if (t[i] == '0')
                ve.pb(i);
        int y = (1 << t0),ans = 0;
        rep(i,0,y){
            int cnt = (__builtin_popcount(i)&1),sum = mask;
            rep(j,0,t0)
                if ((1 << j)&i) sum += (1 << ve[j]);
            if (cnt) ans -= sos[sum][0][0];
            else ans += sos[sum][0][0];
        }
        cout << ans << endl;
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 586 ms 15016 KB Output is correct
12 Correct 640 ms 14656 KB Output is correct
13 Correct 400 ms 13976 KB Output is correct
14 Correct 411 ms 13968 KB Output is correct
15 Correct 1193 ms 15020 KB Output is correct
16 Correct 601 ms 14208 KB Output is correct
17 Correct 532 ms 14168 KB Output is correct
18 Correct 201 ms 15988 KB Output is correct
19 Correct 201 ms 12980 KB Output is correct
20 Correct 660 ms 14664 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 586 ms 15016 KB Output is correct
12 Correct 640 ms 14656 KB Output is correct
13 Correct 400 ms 13976 KB Output is correct
14 Correct 411 ms 13968 KB Output is correct
15 Correct 1193 ms 15020 KB Output is correct
16 Correct 601 ms 14208 KB Output is correct
17 Correct 532 ms 14168 KB Output is correct
18 Correct 201 ms 15988 KB Output is correct
19 Correct 201 ms 12980 KB Output is correct
20 Correct 660 ms 14664 KB Output is correct
21 Correct 272 ms 18116 KB Output is correct
22 Correct 600 ms 18308 KB Output is correct
23 Correct 575 ms 17240 KB Output is correct
24 Correct 529 ms 17048 KB Output is correct
25 Correct 404 ms 19092 KB Output is correct
26 Correct 658 ms 17648 KB Output is correct
27 Correct 626 ms 17500 KB Output is correct
28 Correct 202 ms 20144 KB Output is correct
29 Correct 218 ms 16208 KB Output is correct
30 Correct 542 ms 18244 KB Output is correct
31 Correct 1064 ms 18144 KB Output is correct
32 Correct 667 ms 18100 KB Output is correct
33 Correct 429 ms 17044 KB Output is correct
34 Correct 500 ms 17112 KB Output is correct
35 Correct 637 ms 17676 KB Output is correct
36 Correct 172 ms 16156 KB Output is correct
37 Correct 1027 ms 18168 KB Output is correct
38 Correct 233 ms 16148 KB Output is correct
39 Correct 555 ms 17424 KB Output is correct
40 Correct 494 ms 17092 KB Output is correct

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Runtime error 26 ms 35784 KB Execution killed with signal 11
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 586 ms 15016 KB Output is correct
12 Correct 640 ms 14656 KB Output is correct
13 Correct 400 ms 13976 KB Output is correct
14 Correct 411 ms 13968 KB Output is correct
15 Correct 1193 ms 15020 KB Output is correct
16 Correct 601 ms 14208 KB Output is correct
17 Correct 532 ms 14168 KB Output is correct
18 Correct 201 ms 15988 KB Output is correct
19 Correct 201 ms 12980 KB Output is correct
20 Correct 660 ms 14664 KB Output is correct
21 Correct 272 ms 18116 KB Output is correct
22 Correct 600 ms 18308 KB Output is correct
23 Correct 575 ms 17240 KB Output is correct
24 Correct 529 ms 17048 KB Output is correct
25 Correct 404 ms 19092 KB Output is correct
26 Correct 658 ms 17648 KB Output is correct
27 Correct 626 ms 17500 KB Output is correct
28 Correct 202 ms 20144 KB Output is correct
29 Correct 218 ms 16208 KB Output is correct
30 Correct 542 ms 18244 KB Output is correct
31 Correct 1064 ms 18144 KB Output is correct
32 Correct 667 ms 18100 KB Output is correct
33 Correct 429 ms 17044 KB Output is correct
34 Correct 500 ms 17112 KB Output is correct
35 Correct 637 ms 17676 KB Output is correct
36 Correct 172 ms 16156 KB Output is correct
37 Correct 1027 ms 18168 KB Output is correct
38 Correct 233 ms 16148 KB Output is correct
39 Correct 555 ms 17424 KB Output is correct
40 Correct 494 ms 17092 KB Output is correct
41 Runtime error 26 ms 35784 KB Execution killed with signal 11
42 Halted 0 ms 0 KB -